DIY Network

How a Cordless Impact Driver Works

Host Paul Ryan demonstrates a cordless impact driver, which is designed to drive a screw in without stripping the screw's head.

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how a cordless impact driver works

Have you ever used a cordless drill to drive screws in and had the screw-head stripped into oblivion? If so, you may want to consider using a cordless impact driver that's created to drive a screw without the hassle of stripping the head of the screw.

How Does it Work?

When you pull the trigger, not only does the drill turn, but it provides a fast "tapping" action, and that tapping action in combination with the turning of the drill prevents the dreaded stripping of the screw head.

A number of manufacturers make these compact, easy-to-use cordless drivers.